Difference between revisions of "Rudbeckia mohrii"
Proc. Amer. Acad. Arts 17: 217. 1882.
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name=Rudbeckia mohrii | name=Rudbeckia mohrii | ||
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|authority=A. Gray | |authority=A. Gray | ||
|rank=species | |rank=species | ||
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|publication year=1882 | |publication year=1882 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_102.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae | ||
Revision as of 19:32, 16 December 2019
Perennials, to 110 cm (rhizomatous, roots fibrous). Leaves green (glaucous), blades (3–5-nerved) narrowly lanceolate to linear (not lobed), leathery, bases attenuate, margins entire (sometimes ciliate), apices acute, faces glabrous; basal petiolate, 10–40 × 0.5–1.5 cm; cauline petiolate or sessile, 2–25 × 0.2–0.8 cm. Heads (3–15) in ± corymbiform arrays. Phyllaries to 1 cm. Receptacles ovoid or ellipsoid to hemispheric; paleae 4–5 mm, glabrous or sparsely hairy, apices obtuse, acuminate. Ray florets 7–14; laminae elliptic to oblanceolate, 12–30 × 5–10 mm, abaxially glabrous. Discs 9–15 × 7–17 mm. Disc florets 100–200+; corollas yellowish green proximally, maroon distally, 3–4 mm; style branches ca. 1 mm, apices acute to blunt. Cypselae 3.4–4.2 mm; pappi ± coroniform, of connate or distinct scales to 1.2 mm. 2n = 36.
Phenology: Flowering summer–fall.
Habitat: Wet pine savannas, along ditches and bayous, shallow water
Elevation: 0–50 m
Discussion
Selected References
None.